// SAFETY: offset starts at len - suffix.len(), as long as it is greater than
// min_aligned_offset (prefix.len()) the remaining distance is at least 2 * chunk_bytes.
unsafe {
- let u = *(ptr.offset(offset as isize - 2 * chunk_bytes as isize) as *const Chunk);
- let v = *(ptr.offset(offset as isize - chunk_bytes as isize) as *const Chunk);
+ let u = *(ptr.add(offset - 2 * chunk_bytes) as *const Chunk);
+ let v = *(ptr.add(offset - chunk_bytes) as *const Chunk);
// Break if there is a matching byte.
let zu = contains_zero_byte(u ^ repeated_x);